Virtual Host Directive

With the extensive deployment of multi-core systems, clusters, grids and even cloud computing in recent years, virtualization technology has become more and more advantageous in business applications, not only reducing it costs, but also enhancing system security and reliability, and the concept of virtualization has gradually deepened into people's daily work and life. Aiming at the x86 platform, this paper first gives the basic concept and classification of virtualization technology, then expounds the realization principle and challenge of pure software virtualization, and finally introduces ...

Most of the questions in the FAQ come from http://www.stackoverflow.com and http://www.serverfault.com, some of which may not have been verified by me. Nginx How to replace error Q: Can I return with a 503 error (overloaded or temporarily unavailable) instead of a 502 error as an answer? A: Configure the fastcgi_intercept_errors directive and set it to on, and then use the error_page directive: Location/{...

Real-time migration is the most important feature that Microsoft adds to Windows Server Hyper-V, which eliminates the need to move virtual machines (VMS) between Hyper-V hosts and, in the normal maintenance of Hyper-V hosts, You can also remove all of the VMS it hosts, and then move back when the maintenance is over, and don't worry about causing business disruption throughout the process. In addition, the use of real-time migration capabilities can also be better dynamic adjustment of host resource utilization, the busy Hyper-V host parts ...

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Virtualization Technology vendors VMware launched the next generation of virtualization platform Vsphere 5, the ESXi 4.1 version of the virtualization architecture, provides nearly 200 new and enhanced features, but also significantly expand the virtual machine specifications. In addition, VMware also modifies the authorization method synchronously, increases the VRAM for the authorization computation basis. VMware expects the software to be officially launched by the end of August. Vsphere 5 ESXi Virtualization Architecture continues the original Exsi 4.1 version of the architecture, also abandoned the service Console, virtual ...

Overview This module provides a simple file based on the owner's http://www.aliyun.com/zixun/aggregation/38609.html "> Access control." The Nginx_http_owner_match_module module allows it to control the access of specific files to the owner and organization. Access rule checks are based on the order in which they are declared. Configuration Example: Location/{Omallow Heihe ...

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Since I have been studying the Official Handbook of Http://www.aliyun.com/zixun/aggregation/14417.html ">apache", I have been interested in this powerful and flexible configuration file. htaccess. At the same time, there are a lot of friends to ask me. htaccess documents related to difficult diseases, here, I have an exclusive summary. htaccess This document common writing error, also hope that friends can learn from the lesson, to a higher level ...

Little brother Contact Lamp not long time, a lot of things are their own 1.1 point groping, many of the problems hope to make friends with the following 2 programs must have security problems, I hope you criticize that the following program is for reference only. Scenario 1: Different IP addresses with different Web sites bind the 2nd IP to the NIC: the names of the two cards are eth0 and eth1 respectively. Where the eth0 is connected to the extranet. IP for 202.118.21HTTP://WWW.ALIYUN.COM/ZIXUN/AGGREGATION/3 ...